| Abiodoun Pascal | OLOUNLADE | National University of Agriculture | Benin | worldtopscientists.com |
| Abir | Azri | Higher Institute of Biotechnology, University of Monastir, Tunisia | Tunisia | worldtopscientists.com |
| Abu | Duguma | Dilla University | Ethiopia | worldtopscientists.com |
| Abu Bakar | Siddique | Ghulam Ishaq Khan Institute of Engineering Sciences and Technology | Pakistan | worldtopscientists.com |
| Abu Talha Aqueel | Ahmed | Dongguk University | South Korea | worldtopscientists.com |
| Abubakar | Siddique | Khwaja Fareed University of Engineering and Information Technology (KFUEIT), Rahim yar Khan, Pakistan | Pakistan | worldtopscientists.com |
| ADAMALI | SHAH | KING SAUD UNIVERSITY | Saudi Arabia | worldtopscientists.com |
| Adamu | Rasheed | Bayero University Kano | Nigeria | worldtopscientists.com |
| Adão M. | Sebastião | DEGEIT - Departamento de Economia, Gestão, Engenharia Industrial e Turismo - Universidade de Aveiro 3810-193 Aveiro, Portugal / Universidade Privada de Angola | Portugal | worldtopscientists.com |
| Adelaide | Dinoi | ISAC-CNR | Italy | worldtopscientists.com |
| Adem | Gök | Kırklareli University | Turkey | |
| Adi | Fahrudin | Universitas Esa Unggul | Indonesia | worldtopscientists.com |
| Afeez | Adedayo | Western Illinois University Alumni | United States | worldtopscientists.com |
| Afsin | Gungor | Akdeniz University | Turkey | worldtopscientists.com |
| Aggeliki | Barberopoulou | Tsunami Society International | United States | worldtopscientists.com |
| Agostinho | da Silva | Beira Interior University | Portugal | worldtopscientists.com |
| Ahmad | Salahi | University of zanjan | Iran | worldtopscientists.com |
| Ahmad Ratib | Sharafat | Sayed jamalluddin Afghani University | Afghanistan | worldtopscientists.com |
| Ahmadreza | Mohebbi | University of Auckland | New Zealand | worldtopscientists.com |
| Ahmed | Abdelaal | Environmental Sciences Department, Port Said University | Egypt | worldtopscientists.com |